drm/amd/display: Indicate stream change on ODM change

[Why]
With ODM policy 2 to 1, there exists a new use case
scenario where stream content is unchanged, but ODM
may be used.  When this happens, the stream needs
to be committed with a new pipe setting.
This did not happen due to stream change
detection logic not accounting for ODM.

[How]
Set ODM flag in stream and commit stream when change
in ODM has been detected due to policy change.
Reviewed-by: Samson Tam <Samson.Tam@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

@@ -1702,6 +1702,9 @@ bool dc_is_stream_unchanged(
 	if (memcmp(&old_stream->audio_info, &stream->audio_info, sizeof(stream->audio_info)) != 0)
 		return false;
 
+	if (old_stream->odm_2to1_policy_applied != stream->odm_2to1_policy_applied)
+		return false;
+
 	return true;
 }
 

drivers/gpu/drm/amd/display/dc/dc_stream.h

@@ -276,6 +276,8 @@ struct dc_stream_state {
 	bool has_non_synchronizable_pclk;
 	bool vblank_synchronized;
 	struct mall_stream_config mall_stream_config;
+
+	bool odm_2to1_policy_applied;
 };
 
 #define ABM_LEVEL_IMMEDIATE_DISABLE 255